## Proceedings of the International School of Physics "Enrico Fermi.", Volume 72N. Zanichelli, 1979 - Nuclear physics |

### From inside the book

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Page 77

In the first case , the resulting ensemble would be correctly

statistical operator wx = ŽT ( WP . ) P . . / ŽTH ( WP . ) . g = 1 In the second case ,

the resulting ensemble would be correctly

w ...

In the first case , the resulting ensemble would be correctly

**represented**by thestatistical operator wx = ŽT ( WP . ) P . . / ŽTH ( WP . ) . g = 1 In the second case ,

the resulting ensemble would be correctly

**represented**by the statistical operatorw ...

Page 100

cannot be

space . Yet , in ... We cannot simply say that pa , ( b )

that a measurement of spin in direction b will yield a result corresponding to spin

down ...

cannot be

**represented**as conditional probabilities on a classical probabilityspace . Yet , in ... We cannot simply say that pa , ( b )

**represents**the probabilitythat a measurement of spin in direction b will yield a result corresponding to spin

down ...

Page 111

Like Jauch , they emphasize that the desired mixture

the system only as far as the macroscopic ... Now , whatever the state of the

system is , whether this state is known or not , it is

in a ...

Like Jauch , they emphasize that the desired mixture

**represents**the statistics ofthe system only as far as the macroscopic ... Now , whatever the state of the

system is , whether this state is known or not , it is

**represented**by a phase pointin a ...

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### Contents

Gradual infiltration of probabilitys laws into physical sciences | 1 |

Statistical fluctuations | 10 |

Introduction | 21 |

Copyright | |

24 other sections not shown

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### Common terms and phrases

according additive appear applied approach argument assume atoms Borel called classical closed complete concept consider constant corresponding countable course defined definition derived described determined dialog discussion distribution dynamics edited effect elementary elements energy equal equation equivalent example exists experiment expressed fact field final finite formal frequency function geometry give given Hence implies initial interpretation lattice limit logical mass material mathematical means measurement motion natural observable obtain operator particle particular Phys physical positive possible precision present principle probability problem proof propositions proved quantity quantum mechanics question reason refer relation relative represented requirement respect result rules satisfies sense sequence space space-time special relativity statistical structure theorem theory transformation turn unit Universe vector